DD11B6ZLow Dose Rate (LDR) Brachytherapy of Stomach using Cesium 131 (Cs-131)
- Billable / Specific Code
DD11B6Z is a billable ICD-10-PCS procedure code for Low Dose Rate (LDR) Brachytherapy of Stomach using Cesium 131 (Cs-131). It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Brachytherapy.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | D | Radiation Therapy |
| 2 | Body System | D | Gastrointestinal System |
| 3 | Modality | 1 | Brachytherapy |
| 4 | TreatmentSite | 1 | Stomach |
| 5 | ModalityQualifier | B | Low Dose Rate (LDR) |
| 6 | Isotope | 6 | Cesium 131 (Cs-131) |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2026 ICD-10-PCS Alphabetic Index entries lead to DD11B6Z:
Clinical Classification (CCSR)
AHRQ groups DD11B6Z into these clinical categories.
Code History
- DD11BYZ — LDR Brachytherapy of Stomach using Oth Isotope
Similar Procedure Codes
Questions About DD11B6Z
Is DD11B6Z a billable code?
Yes. DD11B6Z is a complete seven-character ICD-10-PCS code, specific enough to report Low Dose Rate (LDR) Brachytherapy of Stomach using Cesium 131 (Cs-131) on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in DD11B6Z mean?
DD11B6Z breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character D is the Body System (Gastrointestinal System); the 3rd character 1 is the Modality (Brachytherapy); the 4th character 1 is the TreatmentSite (Stomach); the 5th character B is the ModalityQualifier (Low Dose Rate (LDR)); the 6th character 6 is the Isotope (Cesium 131 (Cs-131)); the 7th character Z is the Qualifier (None).
